About This Unit
Early in the war, each Infantry Brigade had a Machine Gun Company under command. They were designated with the same number as the parent Brigade.
In March 1918, the Companies were aggregated into Machine Gun Battalions under Divisional command; the battalions were similarly designated. Thus the 5th Machine Gun Battalion was allocated to the 5th Division and comprised the 8th 14th and 15th Machine Gun companies representing the Brigades of the 5th Division, plus the 25th MG Company, part of a clutch of five MG Companies numbered 21-5, created to give each Brigade a fourth MG Company.
This arrangement was all about command and control and the ability to concentrate a valuable resource like fire support. “Concentration of Force” is a key principle of war and thus artillery and other fire support is always controlled at a high level to make best use of its capability.
Either way both Machine Gun companies and battalions were employed on the basis of providing the formidable fire support that massed machine guns were capable of. The elements of the MG Battalions and Companies were allocated to sections of the line in detachments of varying sizes depending on the task, but generally as a minimum in pairs as a 'section'.
MG Companies and Battalions were equipped with the legendary Vickers Medium Machine Gun. This weapon was served by a crew of three and mounted on a tripod. It was not easily portable and was generally sited in a prepared fixed position. Its direct counterpart on the German side was the Maxim 'Spandau' MG08, a weapon of similar appearance and capability.
Both the Vickers and MG08 had a distinctive appearance largely because of a cylindrical water jacket sleeve around the barrel which was designed to cool the barrel when firing at the rapid rate. The MG08 was mounted on a characteristic 'sled' rather than the tripod of the Vickers. They achieved continuous fire through the provision of ammunition in canvas belts (see photo).
The Vickers was renowned for its reliability and it could maintain blistering rates of fire for extended periods, thanks to its robust design and the fact that it was water-cooled. These weapons were capable of firing at extended ranges, out to 3,000 yards.
They would be sited to provide flanking fire across a defensive front, often covering belts of barbed wire or other obstacles forcing the enemy to attack through their line of fire with devastating results; a tactic known as "enfilade fire".
It was largely the effect of well-sited German machine guns that caused such devastation among the attacking British and Dominion formations on the first day of the Somme offensive in 1916. The British "Pals" Battalions at La Boiselle and the Newfoundland Battalion at Beaumont Hamel were cut to ribbons by machine guns over 2km to their flanks that they would not have been able to hear firing at them.
They were often the lynch-pin of defensive positions and thus the object of enemy attempts to neutralise them as a prelude to attack, by mortar, artillery fire or even raids by parties of grenadiers with hand and rifle grenades.
In attack they would be sited to provide indirect 'plunging fire' into enemy positions in depth at long range to prevent enemy reinforcements reaching the objective of the attack, or to disrupt attempts to withdraw, in a manner not dissimilar to artillery.
Some machine gun teams would also be assigned to follow the assaulting formations where they were to establish themselves in order to provide defensive fire across the front of the "limit of exploitation" of the attack as protection against counter attack by the enemy.
Machine guns and artillery between them were the dominant influences on the battlefields of the Great War until late in the war when manoeuvre regained importance with the advent of armoured vehicles and ground attack aircraft that could suppress enemy defences.
Steve Larkins February 2014
Battle / Campaign / Involvement
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